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Quercus alba

Quercus alba L.

Quercus alba L. var. subcaerulea A.L. Pickens & M.C. Pickens

Quercus alba L. var. subflavea A.L. Pickens & M.C. Pickens

Eastern White Oak, White Oak

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderFagalesBirch, she-oak, beech, walnut, bayberry, others
FamilyFagaceaeBeech familhy
GenusQuercusLatin for “oak”
SpeciesalbaLatinalba, “white”

About plant names...

White oak is one of the most prominent native trees of North America. “White” is because the wood is lighter in color than pink-tinged red oak.

Identification: Trees reach heights of 65-80' (19-24 m), with a maximum recorded height of 182' (55 m). These trees live up to 600 years. Under the right conditions they have a very wide crown, with some branches growing sideways, almost parallel to the ground. Leaves are 4-8" (10-20 cm) long, with 5-9 lobes with rounded edges. In the fall, leaves turn purple-red. See the Quercus comparison table.

This robust hardwood is often used for furniture-making, along with red oak. White oak has finer pores than red oak. Both are durable, strong woods, with good dimensional stability.

Online References:

Quercus alba on Carolina Nature, from Will Cook

Quercus alba on Wikipedia

Quercus alba at the University of Connecticut Plant Database

Quercus alba on Erv Evans' site at the North Carolina State University College of Agriculture and Life Sciences

Quercus alba on Blue Planet Biomes

Quercus alba at the Vanderbilt University Bioimages web site

Quercus alba at the University of Florida Environmental Horticulture site

Quercus alba at the Lady Bird Johnson Wildflower Center

Quercus alba at the USDA Forest Service's Silvics of North America site

Quercus alba at the Virginia Tech Department of Forest Resources and Environmental Conservation

Quercus alba on the USDA Forest Service's Fire Effects Information Database

Quercus alba on eFloras

References:

Sibley, David Allen, The Sibley Guide to Trees, Alfred A. Knopf, 2009, p. 206

Quercus alba description by Thomas H. Kent, last updated 16 Aug 2013.

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Quercus alba (Eastern White Oak, White Oak)

5/29/2010 · Maine Audubon Gilsland Farm Audubon Center, Falmouth, ME ID is uncertain

Quercus alba (Eastern White Oak, White Oak)

5/27/2010 · Tom and Susan’s, Pepperell, MA
≈ 9 × 6" (22 × 14 cm) ID is uncertain

Quercus alba (Eastern White Oak, White Oak)

9/25/2010 · Nashua River Rail Trail, Groton Center, Groton, MA
≈ 9 × 6" (22 × 14 cm)

Quercus alba (Eastern White Oak, White Oak)

8/14/2013 · Beaver Brook Assn Conservation Lands, Rte. 130, Hollis, NH
≈ 16 × 24" (39 × 59 cm)

Range:

About this map...